x86: hardirq: use inc_irq_stat() in non-unified functions

[safe/jmp/linux-2.6] / arch / x86 / kernel / time_32.c

diff --git a/arch/x86/kernel/time_32.c b/arch/x86/kernel/time_32.c
index 2dcbb81..65309e4 100644 (file)
--- a/arch/x86/kernel/time_32.c
+++ b/arch/x86/kernel/time_32.c
@@ -36,12 +36,10 @@
 #include <asm/arch_hooks.h>
 #include <asm/hpet.h>
 #include <asm/time.h>
+#include <asm/timer.h>
 
 #include "do_timer.h"
 
-unsigned int cpu_khz;  /* Detected as we calibrate the TSC */
-EXPORT_SYMBOL(cpu_khz);
-
 int timer_ack;
 
 unsigned long profile_pc(struct pt_regs *regs)
@@ -49,15 +47,14 @@ unsigned long profile_pc(struct pt_regs *regs)
        unsigned long pc = instruction_pointer(regs);
 
 #ifdef CONFIG_SMP
-       if (!v8086_mode(regs) && SEGMENT_IS_KERNEL_CODE(regs->xcs) &&
-           in_lock_functions(pc)) {
+       if (!user_mode_vm(regs) && in_lock_functions(pc)) {
 #ifdef CONFIG_FRAME_POINTER
-               return *(unsigned long *)(regs->ebp + 4);
+               return *(unsigned long *)(regs->bp + sizeof(long));
 #else
-               unsigned long *sp = (unsigned long *)&regs->esp;
+               unsigned long *sp = (unsigned long *)&regs->sp;
 
                /* Return address is either directly at stack pointer
-                  or above a saved eflags. Eflags has bits 22-31 zero,
+                  or above a saved flags. Eflags has bits 22-31 zero,
                   kernel addresses don't. */
                if (sp[0] >> 22)
                        return sp[0];
@@ -78,14 +75,13 @@ EXPORT_SYMBOL(profile_pc);
 irqreturn_t timer_interrupt(int irq, void *dev_id)
 {
        /* Keep nmi watchdog up to date */
-       per_cpu(irq_stat, smp_processor_id()).irq0_irqs++;
+       inc_irq_stat(irq0_irqs);
 
 #ifdef CONFIG_X86_IO_APIC
        if (timer_ack) {
                /*
                 * Subtle, when I/O APICs are used we have to ack timer IRQ
-                * manually to reset the IRR bit for do_slow_gettimeoffset().
-                * This will also deassert NMI lines for the watchdog if run
+                * manually to deassert NMI lines for the watchdog if run
                 * on an 82489DX-based system.
                 */
                spin_lock(&i8259A_lock);
@@ -98,6 +94,7 @@ irqreturn_t timer_interrupt(int irq, void *dev_id)
 
        do_timer_interrupt_hook();
 
+#ifdef CONFIG_MCA
        if (MCA_bus) {
                /* The PS/2 uses level-triggered interrupts.  You can't
                turn them off, nor would you want to (any attempt to
@@ -111,11 +108,11 @@ irqreturn_t timer_interrupt(int irq, void *dev_id)
                u8 irq_v = inb_p( 0x61 );       /* read the current state */
                outb_p( irq_v|0x80, 0x61 );     /* reset the IRQ */
        }
+#endif
 
        return IRQ_HANDLED;
 }
 
-extern void (*late_time_init)(void);
 /* Duplicate of time_init() below, with hpet_enable part added */
 void __init hpet_time_init(void)
 {
@@ -134,6 +131,7 @@ void __init hpet_time_init(void)
  */
 void __init time_init(void)
 {
+       pre_time_init_hook();
        tsc_init();
        late_time_init = choose_time_init();
 }